exfat: using ffs instead of internal logic

[linux-block.git] / fs / exfat / exfat_fs.h

diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index a7a2c35d74fbd70ac5980e780840cadd43385316..8030780a199b4448dd64d786063866c581d33bc8 100644 (file)
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -135,8 +135,7 @@ enum {
 #define BITMAP_OFFSET_BIT_IN_SECTOR(sb, ent) (ent & BITS_PER_SECTOR_MASK(sb))
 #define BITMAP_OFFSET_BYTE_IN_SECTOR(sb, ent) \
        ((ent / BITS_PER_BYTE) & ((sb)->s_blocksize - 1))
-#define BITS_PER_BYTE_MASK     0x7
-#define IGNORED_BITS_REMAINED(clu, clu_base) ((1 << ((clu) - (clu_base))) - 1)
+#define IGNORED_BITS_REMAINED(clu, clu_base) ((1UL << ((clu) - (clu_base))) - 1)
 
 #define ES_ENTRY_NUM(name_len) (ES_IDX_LAST_FILENAME(name_len) + 1)
 /* 19 entries = 1 file entry + 1 stream entry + 17 filename entries */